Ionia Weather Forecast

    • 42
    • 48

    Rain

    • 39
    • 46

    Rain Showers

    • 34
    • 48

    Slight Chance Rain Showers

    • 38
    • 50

    Partly Sunny

    • 41
    • 55

    Chance Rain Showers

    • 37
    • 52

    Slight Chance Rain Showers

Today 30 Oct Ontario

Rain. Rain may be heavy at Times through early afternoon. Highs Ranging from the mid 40s on the Hilltops to the upper 40s across the lower Elevations. Northeast Winds 10 to 15 Mph. Chance of rain near 100 percent.

Tonight 30 Oct Ontario

Showers. Lows in the lower 40s. Northeast Winds 10 to 15 Mph, becoming northwest. Chance of rain 90 percent.

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Ionia Temperature Statistics

October Temperature

Rochester, Greater Rochester International Airport (15.5 miles)

  • Lowest 28 October, 2025

    28 °F
  • Average October

    53.1 °F
  • Highest 5 October, 2025

    86 °F

Climate (2020–Present)

Rochester, Greater Rochester International Airport (15.5 miles)

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  • Average Low 2020–2025

    42.6 °F
  • Average 2020–2025

    51 °F
  • Average High 2020–2025

    59.7 °F
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